Add avatar label widget to be used in task editor

Change-Id: I892d30cf0e8e013bfdbf4940eefc5be4d69da696 Signed-off-by: Kevin Sawicki <[email protected]> Signed-off-by: Chris Aniszczyk <[email protected]>
fsteeg · Apr 12, 2011 · d62e2e4 · d62e2e4
1 parent 80a1f56
commit d62e2e4
Showing 1 changed file with 161 additions and 0 deletions.
diff --git a/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/AvatarLabel.java b/org.eclipse.mylyn.github.ui/src/org/eclipse/mylyn/github/ui/internal/AvatarLabel.java
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+/*******************************************************************************
+ *  Copyright (c) 2011 GitHub Inc.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ *
+ *  Contributors:
+ *    Kevin Sawicki (GitHub Inc.) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.mylyn.github.ui.internal;
+
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.layout.GridLayoutFactory;
+import org.eclipse.mylyn.github.ui.internal.AvatarStore.IAvatarCallback;
+import org.eclipse.mylyn.tasks.core.IRepositoryPerson;
+import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.forms.IFormColors;
+import org.eclipse.ui.forms.widgets.FormToolkit;
+
+/**
+ * Avatar label displaying an image and label for a avatar url.
+ */
+public class AvatarLabel implements IAvatarCallback {
+
+	/**
+	 * AVATAR_SIZE
+	 */
+	public static final int AVATAR_SIZE = 42;
+
+	private Composite displayArea;
+	private Composite avatarImage;
+	private AvatarStore store;
+	private IRepositoryPerson person;
+	private TaskAttribute attribute;
+
+	/**
+	 * Create avatar label
+	 * 
+	 * @param store
+	 * @param person
+	 * @param attribute
+	 */
+	public AvatarLabel(AvatarStore store, IRepositoryPerson person,
+			TaskAttribute attribute) {
+		this.store = store;
+		this.person = person;
+		this.attribute = attribute;
+	}
+
+	/**
+	 * Set visible
+	 * 
+	 * @param visible
+	 * @return this label
+	 */
+	public AvatarLabel setVisible(boolean visible) {
+		if (!displayArea.isDisposed()) {
+			displayArea.setVisible(visible);
+			((GridData) displayArea.getLayoutData()).exclude = !visible;
+			displayArea.getParent().layout(true, true);
+		}
+		return this;
+	}
+
+	/**
+	 * Layout label
+	 * 
+	 * @return this label
+	 */
+	public AvatarLabel layout() {
+		if (!displayArea.isDisposed())
+			displayArea.getParent().layout(true, true);
+		return this;
+	}
+
+	/**
+	 * Get main composite
+	 * 
+	 * @return composite
+	 */
+	public Composite getControl() {
+		return this.displayArea;
+	}
+
+	/**
+	 * Create label
+	 * 
+	 * @param parent
+	 * @param toolkit
+	 * @return this label
+	 */
+	public AvatarLabel create(Composite parent, FormToolkit toolkit) {
+		displayArea = new Composite(parent, SWT.NONE);
+		GridLayoutFactory.fillDefaults().margins(2, 2).spacing(1, 1)
+				.applyTo(displayArea);
+		GridDataFactory.fillDefaults().span(1, 2).grab(false, false)
+				.applyTo(displayArea);
+		toolkit.adapt(displayArea, false, false);
+
+		avatarImage = new Composite(displayArea, SWT.NONE);
+		if (person != null)
+			avatarImage.setToolTipText(person.getPersonId());
+
+		GridDataFactory.swtDefaults().grab(false, false)
+				.align(SWT.CENTER, SWT.CENTER).hint(AVATAR_SIZE, AVATAR_SIZE)
+				.applyTo(avatarImage);
+
+		Label label = toolkit.createLabel(displayArea, attribute.getMetaData()
+				.getLabel());
+		label.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
+		label.setToolTipText(avatarImage.getToolTipText());
+
+		ImageData data = store.getAvatar(attribute.getValue());
+		if (data != null)
+			setImage(store.getScaledImage(AVATAR_SIZE, data));
+		else {
+			store.loadAvatar(attribute.getValue(), this);
+			setVisible(false);
+		}
+
+		return this;
+	}
+
+	private AvatarLabel setImage(final Image image) {
+		if (!avatarImage.isDisposed()) {
+			avatarImage.setBackgroundImage(image);
+			avatarImage.addDisposeListener(new DisposeListener() {
+
+				public void widgetDisposed(DisposeEvent e) {
+					image.dispose();
+				}
+			});
+		}
+		return this;
+	}
+
+	/**
+	 * @see org.eclipse.mylyn.github.ui.internal.AvatarStore.IAvatarCallback#loaded(org.eclipse.swt.graphics.ImageData,
+	 *      org.eclipse.mylyn.github.ui.internal.AvatarStore)
+	 */
+	public void loaded(final ImageData data, final AvatarStore store) {
+		PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
+
+			public void run() {
+				Image image = store.getScaledImage(AVATAR_SIZE, data);
+				setImage(image).setVisible(true).layout();
+			}
+		});
+	}
+
+}